18524090. ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME simplified abstract (SAMSUNG SDI CO., LTD.)
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ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME
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ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18524090 titled 'ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME
The abstract describes a positive electrode for an all-solid secondary battery, consisting of specific positive active materials and solid electrolytes with defined particle sizes and distributions.
- The first positive active material has a larger particle diameter compared to the second positive active material.
- The first solid electrolyte has a particle size distribution that meets specific criteria, with a particle diameter range of 0.5 to 1.9 micrometers.
- The second solid electrolyte has a different particle diameter range of 2 to 5 micrometers, with a specific ratio to the first solid electrolyte.
- The amount of the first solid electrolyte in the positive electrode is greater than the amount of the second solid electrolyte.
Potential Applications: - All-solid secondary batteries - Energy storage systems - Portable electronic devices
Problems Solved: - Enhanced battery performance - Improved energy density - Increased battery lifespan
Benefits: - Higher energy storage capacity - Longer battery cycle life - Enhanced overall battery efficiency
Commercial Applications: Title: Advanced Positive Electrode for All-Solid Secondary Batteries This technology could be utilized in the development of high-performance energy storage solutions for various industries, including consumer electronics, electric vehicles, and renewable energy systems. The market implications include the potential for longer-lasting and more efficient battery products.
Questions about the technology: 1. How does the particle size of the positive active materials impact battery performance? 2. What are the key advantages of using solid electrolytes in secondary batteries?
Original Abstract Submitted
A positive electrode for an all-solid secondary battery, including a first positive active material, a second positive active material, a first solid electrolyte, and a second solid electrolyte, wherein the first positive active material has a D50 particle diameter that is greater than a D50 particle diameter of the second positive active material, the first solid electrolyte has a first D50 particle diameter of about 0.5 to about 1.9 micrometers (μm), and a particle size distribution that satisfies Equation 1 as described herein, the second solid electrolyte has second D50 particle diameter of about 2 to about 5 μm, a ratio of the first D50 particle diameter to the second D50 particle diameter satisfies Equation 2 as described herein, and an amount of the first solid electrolyte in the positive electrode is greater than an amount of the second solid electrolyte in the positive electrode, by weight.
